Public restrooms are peculiar places that we loathe to use. The shared spaces are often dirty and dilapidated, especially when it comes to popular places such as chain restaurants. However, when you have got to go, you’ve got to go.

However, this mother from California will forever avoid public restrooms after her five-year-old son made a shocking discovery in a Starbucks bathroom in Lancaster.

The mother, who wishes to remain anonymous, took her son to use the restroom on July 10, 2015 after they had finished their drinks at the internationally recognized coffee shop.

Her five-year-old son used the single occupancy restroom first. After he was finished, she also used the toilet. But, it was whilst she was using the room that her son made a startling discovery.

As she was using the restroom, the mother noticed her son staring intently at the sink. Confused by his behavior, she asked him what was wrong. His response startled her. “Mommy, why is there a phone under there?” he said, innocently. Instantly her “skin began to crawl,” as she realized what her son had found.

Taking a closer look, the mother found a cellphone propped up under the sink, with the camera facing directly toward the toilet. The phone had clearly been placed there intentionally and was not the result of an unfortunate accident. “It had taken some work to get it to stand,” she said, “so I could tell it had been placed there purposefully.”

Appalled, the mother than pulled out her own cellphone and began to snap pictures of the sink…